| Attribute                | Default | Description                                                                               |
|--------------------------|---------|-------------------------------------------------------------------------------------------|
| `scheduled_delay`        | 5s      | The delay in seconds from receiving the first span to sending the batch.                  |
| `max_concurrent_exports` | 1       | The maximum number of overlapping export requests.                                        |
| `max_export_batch_size`  | 512     | The number of spans to include in a batch. May be limited by maximum message size limits. |
| `max_export_timeout`     | 30s     | The timeout in seconds for sending spans before dropping the data.                        |
| `max_queue_size`         | 2048    | The maximum number of spans to be buffered before dropping span data.                     |
